Amazon Price: N/A (as of July 2, 2018 7:06 am – Details). Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on the Amazon site at the time of purchase will apply to the purchase of this product.

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You will receive a NEW 1/2 Ounce Bottle of Silver Test Acid along with a testing stone! (Exactly as shown in the photograph) The acid will change colors based on Purity! • 90% – 100% = DARK RED • 80% – 90% = LIGHT RED or brownish • 65% – 75% = Light Green Color

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